rudolf-sievers.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-19 · ok HTTP/1.1 200 2007 ms crawled 2026-05-16

DE · 31.220.122.246 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: RUDOLF SIEVERS - Partner für Technik - RUDOLF SIEVERS GmbH – Partner für Technik
Description: Es erwarten Sie fast 1.000 Artikel aus den Sortimentsbereichen der Bau-, Werkzeug- und Elektrotechnik zu attraktiven Preisen.
Language: de
Generator: TYPO3 CMS
Canonical: https://www.rudolf-sievers.de/

Open Graph

title: [PfT] Rudolf Sievers
description: Es erwarten Sie fast 1.000 Artikel aus den Sortimentsbereichen der Bau-, Werkzeug- und Elektrotechnik zu attraktiven Preisen.

Technology

Server: Apache

Social

Registration

Updated

2008-01-04

Name servers

ns1.register-it.net.
ns2.register-it.net.

DNS records live

NS

ns1.register-it.net
ns2.register-it.net

MX

0 rudolfsievers-de01e.mail.protection.outlook.com

TXT

knowbe4-site-verification=f01bb749ce3c8427e34aa9ff1e1342e6

Verified for

Brevo
Google

Email authentication partial

SPF: v=spf1 mx ip4:62.217.43.194 ip4:78.47.62.13 ip4:62.93.3.204 ip4:194.25.204.60 ip4:213.232.64.0/24 ip4:31.220.122.246 ip4:37.202.1.0/24 include:spf.nl2go.com include:agenturserver.de include:spf.protection.outlook.com -all
strict (-all)
DMARC: v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-13 to 2026-08-11

Expires in 83 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.rudolf-sievers.de/

present

x-content-type-options

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff